<template>
	<div class="line_box" ref="echartDom"></div>
</template>

<script setup lang="ts">
import { Bottom } from "@element-plus/icons-vue/dist/types";
import { inject, ref, shallowRef, onMounted, onUnmounted, watch,watchEffect,defineEmits,toRaw } from "vue";

// 接收参数
const props = defineProps({
housingSupplyStatsData: {
type: Object,
default: () => {},
},
});
// 数据定义
const echartDom = ref<null | HTMLDivElement>(null);
const myChart = shallowRef<null | any>(null);
const echarts = inject<any>("echarts");
const emit = defineEmits(['barPiemagnify'])
// 字体自适应方法
const pxToRem = (px: number) => {
const scale = document.documentElement.clientWidth / 1920;
return Math.round(px * Math.min(scale, 3));
};
// echarts初始化渲染
let legendData = props.housingSupplyStatsData.legendData;
let xAxisData = props.housingSupplyStatsData.xAxisData;
let yAxisData = props.housingSupplyStatsData.yAxisData;
let seriesData = props.housingSupplyStatsData.seriesData;
let colors = props.housingSupplyStatsData.colors;
let typeData = props.housingSupplyStatsData.typeData;

const getEchart = () => {
if (echartDom.value) {
myChart.value = echarts.init(echartDom.value);
const option = {

tooltip: {
trigger: "item",
axisPointer: {
	type: "line",
	lineStyle: {
			color: "rgba(40,252,255,0.6)",
			shadowBlur: 10,
			shadowColor: "rgba(0, 0, 0, 0.9)",
	},
},
textStyle: {
	color: "#fff",
	fontSize: pxToRem(15),
},
backgroundColor: "rgba(8, 64, 132, 0.9)",
borderColor:'#fff',
},
legend: {
show:false,
icon:"rect",
orient: 'horizontal',//horizontal水平显示
left:pxToRem(0),
bottom: pxToRem(0),
itemWidth: pxToRem(15),
itemHeight: pxToRem(8),
itemGap: pxToRem(3),
textStyle: {
	color: "#fff",
	fontSize: pxToRem(10),
	rich: {},
	padding: [0, 0, pxToRem(-3), 0],
},
},
series: [
{
type: 'pie',
radius: [pxToRem(15), pxToRem(50)],
center: ['50%', '40%'],
roseType: 'radius',
itemStyle: {
	borderRadius: pxToRem(2)
},
label: {
			show: true,
			textStyle: {
					fontSize: pxToRem(10), // 标签字体大小
					backgroundColor:'rgba(0,0,0,0)',
					color:'#fff'
			},
	},
labelLine: {
			show: true,//数据标签引导线
			length: 50,
},
data: toRaw(props.housingSupplyStatsData.seriesData[0])
}
]
};
console.log('option',option)
myChart.value.setOption(option);
myChart.value.on("click", (params) => {
	emit('barPiemagnify',props.housingSupplyStatsData)
});
}
};
const updateChart = () => {
if (myChart.value) {
myChart.value.dispose(); // 销毁旧图表实例
}
legendData = props.housingSupplyStatsData.legendData;
xAxisData = props.housingSupplyStatsData.xAxisData;
yAxisData = props.housingSupplyStatsData.yAxisData;
seriesData = props.housingSupplyStatsData.seriesData;
colors = props.housingSupplyStatsData.colors;
typeData = props.housingSupplyStatsData.typeData;
getEchart();
};

watchEffect(() => {
updateChart();
});
onMounted(() => {
getEchart();
window.addEventListener("resize", () => {
if (myChart.value) {
	myChart.value.dispose(); // 销毁旧图表实例
}
getEchart(); // 创建新的图表实例
});
});

onUnmounted(() => {
window.removeEventListener("resize", () => {
if (myChart.value) {
	myChart.value.dispose(); // 在组件销毁时也需要销毁图表实例
}
});
});
</script>

<style scoped lang="less">
.line_box{
	width: 100%;
	height: 100%;
}
</style>
